CVE-2009-0546

CVE-2009-0546 is a critical-severity vulnerability in Newsgator Feeddemon with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 37% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Stack-based buffer overflow in NewsGator FeedDemon 2.7 and earlier allows user-assisted remote attackers to execute arbitrary code via a long text attribute in an outline element in a .opml file.

Frequently asked questions

What is CVE-2009-0546?
Stack-based buffer overflow in NewsGator FeedDemon 2.7 and earlier allows user-assisted remote attackers to execute arbitrary code via a long text attribute in an outline element in a .opml file.
How severe is CVE-2009-0546?
CVE-2009-0546 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-0546 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0546?
CVE-2009-0546 primarily affects Newsgator Feeddemon. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0546?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-0546 published?
CVE-2009-0546 was published on 2009-02-12 and last updated on 2026-06-16.

References

Affected products (5)

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